FontPlatformData::FontPlatformData(const FontDescription& desc, const AtomicString& family)
{
// NB: The Windows wxFont constructor has two forms, one taking a wxSize (with pixels)
// and one taking an int (points). When points are used, Windows calculates
// a pixel size using an algorithm which causes the size to be way off. However,
// this is a moot issue on Linux and Mac as they only accept the point argument. So,
// we use the pixel size constructor on Windows, but we use point size on Linux and Mac.
#if __WXMSW__
m_font = new FontHolder(new wxFont( wxSize(0, -desc.computedPixelSize()),
fontFamilyToWxFontFamily(desc.genericFamily()),
italicToWxFontStyle(desc.italic()),
fontWeightToWxFontWeight(desc.weight()),
false,
family.string()
)
);
#else
m_font = new FontHolder(new wxFont( desc.computedPixelSize(),
fontFamilyToWxFontFamily(desc.genericFamily()),
italicToWxFontStyle(desc.italic()),
fontWeightToWxFontWeight(desc.weight()),
false,
family.string()
)
);
#endif
m_fontState = VALID;
}
PassRefPtr<Element> HTMLDocument::createElement(const AtomicString& name, ExceptionCode& ec)
{
if (!isValidName(name)) {
ec = INVALID_CHARACTER_ERR;
return 0;
}
AtomicString lowerName = name.string().impl()->isLower() ? name : AtomicString(name.string().lower());
return HTMLElementFactory::createHTMLElement(lowerName, this, 0, false);
}
static Variant<TextBreakIteratorICU, TextBreakIteratorPlatform> mapModeToBackingIterator(StringView string, TextBreakIterator::Mode mode, const AtomicString& locale)
{
switch (mode) {
case TextBreakIterator::Mode::Line:
return TextBreakIteratorICU(string, TextBreakIteratorICU::Mode::Line, locale.string().utf8().data());
case TextBreakIterator::Mode::Caret:
return TextBreakIteratorICU(string, TextBreakIteratorICU::Mode::Character, locale.string().utf8().data());
case TextBreakIterator::Mode::Delete:
return TextBreakIteratorICU(string, TextBreakIteratorICU::Mode::Character, locale.string().utf8().data());
default:
ASSERT_NOT_REACHED();
return TextBreakIteratorICU(string, TextBreakIteratorICU::Mode::Character, locale.string().utf8().data());
}
}
void HTMLLinkElement::tokenizeRelAttribute(const AtomicString& relStr, bool& styleSheet, bool& alternate, bool& icon)
{
styleSheet = false;
icon = false;
alternate = false;
String rel = relStr.string().lower();
if (rel == "stylesheet")
styleSheet = true;
else if (rel == "icon" || rel == "shortcut icon")
icon = true;
else if (rel == "alternate stylesheet" || rel == "stylesheet alternate") {
styleSheet = true;
alternate = true;
} else {
// Tokenize the rel attribute and set bits based on specific keywords that we find.
rel.replace('\n', ' ');
Vector<String> list;
rel.split(' ', list);
Vector<String>::const_iterator end = list.end();
for (Vector<String>::const_iterator it = list.begin(); it != end; ++it) {
if (*it == "stylesheet")
styleSheet = true;
else if (*it == "alternate")
alternate = true;
else if (*it == "icon")
icon = true;
}
}
}
void SVGAnimationElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (!isSupportedAttribute(name)) {
SVGSMILElement::parseAttribute(name, value);
return;
}
if (name == SVGNames::valuesAttr) {
// Per the SMIL specification, leading and trailing white space,
// and white space before and after semicolon separators, is allowed and will be ignored.
// http://www.w3.org/TR/SVG11/animate.html#ValuesAttribute
value.string().split(';', m_values);
for (unsigned i = 0; i < m_values.size(); ++i)
m_values[i] = m_values[i].stripWhiteSpace();
updateAnimationMode();
return;
}
if (name == SVGNames::keyTimesAttr) {
parseKeyTimes(value, m_keyTimes, true);
return;
}
if (name == SVGNames::keyPointsAttr) {
if (hasTagName(SVGNames::animateMotionTag)) {
// This is specified to be an animateMotion attribute only but it is simpler to put it here
// where the other timing calculatations are.
parseKeyTimes(value, m_keyPoints, false);
}
return;
}
if (name == SVGNames::keySplinesAttr) {
parseKeySplines(value, m_keySplines);
return;
}
if (name == SVGNames::attributeTypeAttr) {
setAttributeType(value);
return;
}
if (name == SVGNames::calcModeAttr) {
setCalcMode(value);
return;
}
if (name == SVGNames::fromAttr || name == SVGNames::toAttr || name == SVGNames::byAttr) {
updateAnimationMode();
return;
}
if (SVGTests::parseAttribute(name, value))
return;
if (SVGExternalResourcesRequired::parseAttribute(name, value))
return;
ASSERT_NOT_REACHED();
}
void HTMLLinkElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == relAttr) {
m_relAttribute = LinkRelAttribute(value);
process();
} else if (name == hrefAttr) {
String url = stripLeadingAndTrailingHTMLSpaces(value);
m_url = url.isEmpty() ? KURL() : document()->completeURL(url);
process();
} else if (name == typeAttr) {
m_type = value;
process();
} else if (name == sizesAttr) {
setSizes(value);
process();
} else if (name == mediaAttr) {
m_media = value.string().lower();
process();
} else if (name == disabledAttr)
setDisabledState(!value.isNull());
else if (name == onbeforeloadAttr)
setAttributeEventListener(eventNames().beforeloadEvent, createAttributeEventListener(this, name, value));
else if (name == onloadAttr)
setAttributeEventListener(eventNames().loadEvent, createAttributeEventListener(this, name, value));
else if (name == onerrorAttr)
setAttributeEventListener(eventNames().errorEvent, createAttributeEventListener(this, name, value));
else {
if (name == titleAttr && m_sheet)
m_sheet->setTitle(value);
HTMLElement::parseAttribute(name, value);
}
}
bool CustomElementRegistry::isValidName(const AtomicString& name)
{
if (!nameIncludesHyphen(name))
return false;
DEFINE_STATIC_LOCAL(Vector<AtomicString>, reservedNames, ());
if (reservedNames.isEmpty()) {
#if ENABLE(MATHML)
reservedNames.append(MathMLNames::annotation_xmlTag.localName());
#endif
#if ENABLE(SVG)
reservedNames.append(SVGNames::color_profileTag.localName());
reservedNames.append(SVGNames::font_faceTag.localName());
reservedNames.append(SVGNames::font_face_srcTag.localName());
reservedNames.append(SVGNames::font_face_uriTag.localName());
reservedNames.append(SVGNames::font_face_formatTag.localName());
reservedNames.append(SVGNames::font_face_nameTag.localName());
reservedNames.append(SVGNames::missing_glyphTag.localName());
#endif
}
if (notFound != reservedNames.find(name))
return false;
return Document::isValidName(name.string());
}
void HTMLObjectElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
bool invalidateRenderer = false;
if (name == formAttr)
formAttributeChanged();
else if (name == typeAttr) {
m_serviceType = value.string().left(value.find(';')).convertToASCIILowercase();
invalidateRenderer = !fastHasAttribute(classidAttr);
setNeedsWidgetUpdate(true);
} else if (name == dataAttr) {
m_url = stripLeadingAndTrailingHTMLSpaces(value);
document().updateStyleIfNeeded();
if (isImageType() && renderer()) {
if (!m_imageLoader)
m_imageLoader = std::make_unique<HTMLImageLoader>(*this);
m_imageLoader->updateFromElementIgnoringPreviousError();
}
invalidateRenderer = !fastHasAttribute(classidAttr);
setNeedsWidgetUpdate(true);
} else if (name == classidAttr) {
invalidateRenderer = true;
setNeedsWidgetUpdate(true);
} else
HTMLPlugInImageElement::parseAttribute(name, value);
if (!invalidateRenderer || !inDocument() || !renderer())
return;
clearUseFallbackContent();
setNeedsStyleRecalc(ReconstructRenderTree);
}
void HTMLLinkElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == relAttr) {
m_relAttribute = LinkRelAttribute(value);
process();
} else if (name == hrefAttr) {
process();
} else if (name == typeAttr) {
m_type = value;
process();
} else if (name == sizesAttr) {
setSizes(value);
process();
} else if (name == mediaAttr) {
m_media = value.string().lower();
process();
} else if (name == disabledAttr)
setDisabledState(!value.isNull());
else if (name == onbeforeloadAttr)
setAttributeEventListener(eventNames().beforeloadEvent, createAttributeEventListener(this, name, value));
else {
if (name == titleAttr && m_sheet)
m_sheet->setTitle(value);
HTMLElement::parseAttribute(name, value);
}
}
void HTMLLinkElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == relAttr) {
m_relAttribute = LinkRelAttribute(value);
process();
} else if (name == hrefAttr) {
process();
} else if (name == typeAttr) {
m_type = value;
process();
} else if (name == sizesAttr) {
m_sizes->setValue(value);
process();
} else if (name == mediaAttr) {
m_media = value.string().lower();
process();
} else if (name == disabledAttr) {
if (LinkStyle* link = linkStyle())
link->setDisabledState(!value.isNull());
} else if (name == onbeforeloadAttr)
setAttributeEventListener(EventTypeNames::beforeload, createAttributeEventListener(this, name, value));
else {
if (name == titleAttr) {
if (LinkStyle* link = linkStyle())
link->setSheetTitle(value);
}
HTMLElement::parseAttribute(name, value);
}
}
void Element::setAttribute(const AtomicString& name, const AtomicString& value, ExceptionCode& ec)
{
if (!Document::isValidName(name)) {
ec = INVALID_CHARACTER_ERR;
return;
}
const AtomicString& localName = (shouldIgnoreAttributeCase(this) && !name.string().impl()->isLower()) ? AtomicString(name.string().lower()) : name;
// allocate attributemap if necessary
Attribute* old = attributes(false)->getAttributeItem(localName, false);
document()->incDOMTreeVersion();
if (localName == idAttr.localName())
updateId(old ? old->value() : nullAtom, value);
if (old && value.isNull())
namedAttrMap->removeAttribute(old->name());
else if (!old && !value.isNull())
namedAttrMap->addAttribute(createAttribute(QualifiedName(nullAtom, localName, nullAtom), value));
else if (old && !value.isNull()) {
old->setValue(value);
attributeChanged(old);
}
}
void HTMLObjectElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == formAttr)
formAttributeChanged();
else if (name == typeAttr) {
m_serviceType = value.string().left(value.find(';')).lower();
setNeedsWidgetUpdate(true);
} else if (name == dataAttr) {
m_url = stripLeadingAndTrailingHTMLSpaces(value);
setNeedsWidgetUpdate(true);
document().updateStyleIfNeeded();
if (renderer()) {
if (isImageType()) {
if (!m_imageLoader)
m_imageLoader = std::make_unique<HTMLImageLoader>(*this);
m_imageLoader->updateFromElementIgnoringPreviousError();
}
}
} else if (name == classidAttr)
setNeedsWidgetUpdate(true);
else if (name == onbeforeloadAttr)
setAttributeEventListener(eventNames().beforeloadEvent, name, value);
else
HTMLPlugInImageElement::parseAttribute(name, value);
}
HRESULT STDMETHODCALLTYPE DOMElement::font(WebFontDescription* webFontDescription)
{
if (!webFontDescription) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
ASSERT(m_element);
WebCore::RenderElement* renderer = m_element->renderer();
if (!renderer)
return E_FAIL;
FontDescription fontDescription = renderer->style().fontCascade().fontDescription();
AtomicString family = fontDescription.firstFamily();
// FIXME: This leaks. Delete this whole function to get rid of the leak.
UChar* familyCharactersBuffer = new UChar[family.length()];
StringView(family.string()).getCharactersWithUpconvert(familyCharactersBuffer);
webFontDescription->family = familyCharactersBuffer;
webFontDescription->familyLength = family.length();
webFontDescription->size = fontDescription.computedSize();
webFontDescription->bold = fontDescription.weight() >= WebCore::FontWeight600;
webFontDescription->italic = fontDescription.italic();
return S_OK;
}
void HTMLLinkElement::tokenizeRelAttribute(const AtomicString& rel, bool& styleSheet, bool& alternate, bool& icon, bool& dnsPrefetch)
{
styleSheet = false;
icon = false;
alternate = false;
dnsPrefetch = false;
if (equalIgnoringCase(rel, "stylesheet"))
styleSheet = true;
else if (equalIgnoringCase(rel, "icon") || equalIgnoringCase(rel, "shortcut icon"))
icon = true;
else if (equalIgnoringCase(rel, "dns-prefetch"))
dnsPrefetch = true;
else if (equalIgnoringCase(rel, "alternate stylesheet") || equalIgnoringCase(rel, "stylesheet alternate")) {
styleSheet = true;
alternate = true;
} else {
// Tokenize the rel attribute and set bits based on specific keywords that we find.
String relString = rel.string();
relString.replace('\n', ' ');
Vector<String> list;
relString.split(' ', list);
Vector<String>::const_iterator end = list.end();
for (Vector<String>::const_iterator it = list.begin(); it != end; ++it) {
if (equalIgnoringCase(*it, "stylesheet"))
styleSheet = true;
else if (equalIgnoringCase(*it, "alternate"))
alternate = true;
else if (equalIgnoringCase(*it, "icon"))
icon = true;
}
}
}
void HTMLElement::mapLanguageAttributeToLocale(const AtomicString& value, MutableStylePropertySet* style)
{
if (!value.isEmpty()) {
// Have to quote so the locale id is treated as a string instead of as a CSS keyword.
addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitLocale, quoteCSSString(value));
// FIXME: Remove the following UseCounter code when we collect enough
// data.
UseCounter::count(document(), UseCounter::LangAttribute);
if (isHTMLHtmlElement(*this))
UseCounter::count(document(), UseCounter::LangAttributeOnHTML);
else if (isHTMLBodyElement(*this))
UseCounter::count(document(), UseCounter::LangAttributeOnBody);
String htmlLanguage = value.string();
size_t firstSeparator = htmlLanguage.find('-');
if (firstSeparator != kNotFound)
htmlLanguage = htmlLanguage.left(firstSeparator);
String uiLanguage = defaultLanguage();
firstSeparator = uiLanguage.find('-');
if (firstSeparator != kNotFound)
uiLanguage = uiLanguage.left(firstSeparator);
firstSeparator = uiLanguage.find('_');
if (firstSeparator != kNotFound)
uiLanguage = uiLanguage.left(firstSeparator);
if (!equalIgnoringCase(htmlLanguage, uiLanguage))
UseCounter::count(document(), UseCounter::LangAttributeDoesNotMatchToUILocale);
} else {
// The empty string means the language is explicitly unknown.
addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitLocale, CSSValueAuto);
}
}
bool elementPatternIndicatesHexadecimal(const HTMLInputElement* inputElement)
{
if (!inputElement)
return false;
if (inputElement->fastHasAttribute(HTMLNames::patternAttr)) {
AtomicString patternAttribute = inputElement->fastGetAttribute(HTMLNames::patternAttr);
if (patternAttribute.startsWith("[0-9a-fA-F]")) {
// The pattern is for hexadecimal, make sure nothing else is permitted.
// Check if it was an exact match.
if (patternAttribute.length() == 11)
return true;
// Is the regex specifying a character count?
if (patternAttribute[11] != '{' || !patternAttribute.endsWith("}"))
return false;
int count = 0;
// Make sure the number in the regex is actually a number.
if ((sscanf(patternAttribute.string().latin1().data(), "[0-9a-fA-F]{%d}\0", &count) == 1) && count > 0)
return true;
}
}
return false;
}
void HTMLLinkElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == relAttr) {
m_relAttribute = LinkRelAttribute(value);
process();
} else if (name == hrefAttr) {
process();
} else if (name == typeAttr) {
m_type = value;
process();
} else if (name == sizesAttr) {
m_sizes->setValue(value);
parseSizesAttribute(value, m_iconSizes);
process();
} else if (name == mediaAttr) {
m_media = value.string().lower();
process();
} else if (name == disabledAttr) {
if (LinkStyle* link = linkStyle())
link->setDisabledState(!value.isNull());
} else {
if (name == titleAttr) {
if (LinkStyle* link = linkStyle())
link->setSheetTitle(value);
}
HTMLElement::parseAttribute(name, value);
}
}
bool canHyphenate(const AtomicString& localeIdentifier)
{
if (localeIdentifier.isNull())
return false;
if (availableLocales().contains(localeIdentifier))
return true;
return availableLocales().contains(AtomicString(localeIdentifier.string().convertToASCIILowercase()));
}
PassOwnPtr<FontPlatformData> FontCache::createFontPlatformData(const FontDescription& fontDescription, const AtomicString& family)
{
// wx will ALWAYS create a valid font, even if the font family we're looking for is not available.
// So we check to make sure the font is the one we're looking for before creating the font.
if (!wxFontEnumerator::IsValidFacename(family.string()))
return nullptr;
return adoptPtr(new FontPlatformData(fontDescription, family));
}
LinkHash visitedLinkHash(const KURL& base, const AtomicString& relative)
{
if (relative.isNull())
return 0;
url_canon::RawCanonOutput<2048> buffer;
if (!resolveRelative(base, relative.string(), &buffer))
return 0;
return WebKit::Platform::current()->visitedLinkHash(buffer.data(), buffer.length());
}
size_t lastHyphenLocation(StringView string, size_t beforeIndex, const AtomicString& localeIdentifier)
{
// libhyphen accepts strings in UTF-8 format, but WebCore can only provide StringView
// which stores either UTF-16 or Latin1 data. This is unfortunate for performance
// reasons and we should consider switching to a more flexible hyphenation library
// if it is available.
CString utf8StringCopy = string.toStringWithoutCopying().utf8();
// WebCore often passes strings like " wordtohyphenate" to the platform layer. Since
// libhyphen isn't advanced enough to deal with leading spaces (presumably CoreFoundation
// can), we should find the appropriate indexes into the string to skip them.
int32_t leadingSpaceBytes;
int32_t leadingSpaceCharacters;
countLeadingSpaces(utf8StringCopy, leadingSpaceBytes, leadingSpaceCharacters);
// The libhyphen documentation specifies that this array should be 5 bytes longer than
// the byte length of the input string.
Vector<char> hyphenArray(utf8StringCopy.length() - leadingSpaceBytes + 5);
char* hyphenArrayData = hyphenArray.data();
String lowercaseLocaleIdentifier = AtomicString(localeIdentifier.string().convertToASCIILowercase());
ASSERT(availableLocales().contains(lowercaseLocaleIdentifier));
for (const auto& dictionaryPath : availableLocales().get(lowercaseLocaleIdentifier)) {
RefPtr<HyphenationDictionary> dictionary = TinyLRUCachePolicy<AtomicString, RefPtr<HyphenationDictionary>>::cache().get(AtomicString(dictionaryPath));
char** replacements = nullptr;
int* positions = nullptr;
int* removedCharacterCounts = nullptr;
hnj_hyphen_hyphenate2(dictionary->libhyphenDictionary(),
utf8StringCopy.data() + leadingSpaceBytes,
utf8StringCopy.length() - leadingSpaceBytes,
hyphenArrayData,
nullptr, /* output parameter for hyphenated word */
&replacements,
&positions,
&removedCharacterCounts);
if (replacements) {
for (unsigned i = 0; i < utf8StringCopy.length() - leadingSpaceBytes - 1; i++)
free(replacements[i]);
free(replacements);
}
free(positions);
free(removedCharacterCounts);
for (int i = beforeIndex - leadingSpaceCharacters - 2; i >= 0; i--) {
// libhyphen will put an odd number in hyphenArrayData at all
// hyphenation points. A number & 1 will be true for odd numbers.
if (hyphenArrayData[i] & 1)
return i + 1 + leadingSpaceCharacters;
}
}
return 0;
}
String HTMLImageLoader::sourceURI(const AtomicString& attr) const
{
#if ENABLE(DASHBOARD_SUPPORT)
Settings* settings = client()->sourceElement()->document()->settings();
if (settings && settings->usesDashboardBackwardCompatibilityMode() && attr.length() > 7 && attr.startsWith("url(\"") && attr.endsWith("\")"))
return attr.string().substring(5, attr.length() - 7);
#endif
return stripLeadingAndTrailingHTMLSpaces(attr);
}
void HTMLImageElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == altAttr) {
if (renderer() && renderer()->isRenderImage())
toRenderImage(renderer())->updateAltText();
} else if (name == srcAttr || name == srcsetAttr) {
ImageWithScale candidate = bestFitSourceForImageAttributes(document().deviceScaleFactor(), fastGetAttribute(srcAttr), fastGetAttribute(srcsetAttr));
m_bestFitImageURL = candidate.imageURL(fastGetAttribute(srcAttr), fastGetAttribute(srcsetAttr));
float candidateScaleFactor = candidate.scaleFactor();
if (candidateScaleFactor > 0)
m_imageDevicePixelRatio = 1 / candidateScaleFactor;
if (renderer() && renderer()->isImage())
toRenderImage(renderer())->setImageDevicePixelRatio(m_imageDevicePixelRatio);
m_imageLoader.updateFromElementIgnoringPreviousError();
} else if (name == usemapAttr) {
setIsLink(!value.isNull() && !shouldProhibitLinks(this));
if (inDocument() && !m_lowercasedUsemap.isNull())
document().removeImageElementByLowercasedUsemap(*m_lowercasedUsemap.impl(), *this);
// The HTMLImageElement's useMap() value includes the '#' symbol at the beginning, which has to be stripped off.
// FIXME: We should check that the first character is '#'.
// FIXME: HTML5 specification says we should strip any leading string before '#'.
// FIXME: HTML5 specification says we should ignore usemap attributes without #.
if (value.length() > 1)
m_lowercasedUsemap = value.string().substring(1).lower();
else
m_lowercasedUsemap = nullAtom;
if (inDocument() && !m_lowercasedUsemap.isNull())
document().addImageElementByLowercasedUsemap(*m_lowercasedUsemap.impl(), *this);
} else if (name == onbeforeloadAttr)
setAttributeEventListener(eventNames().beforeloadEvent, name, value);
else if (name == compositeAttr) {
// FIXME: images don't support blend modes in their compositing attribute.
BlendMode blendOp = BlendModeNormal;
if (!parseCompositeAndBlendOperator(value, m_compositeOperator, blendOp))
m_compositeOperator = CompositeSourceOver;
} else {
if (name == nameAttr) {
bool willHaveName = !value.isNull();
if (hasName() != willHaveName && inDocument() && document().isHTMLDocument()) {
HTMLDocument* document = toHTMLDocument(&this->document());
const AtomicString& id = getIdAttribute();
if (!id.isEmpty() && id != getNameAttribute()) {
if (willHaveName)
document->addDocumentNamedItem(*id.impl(), *this);
else
document->removeDocumentNamedItem(*id.impl(), *this);
}
}
}
HTMLElement::parseAttribute(name, value);
}
}
void HTMLLinkElement::tokenizeRelAttribute(const AtomicString& rel, RelAttribute& relAttribute)
{
relAttribute.m_isStyleSheet = false;
relAttribute.m_isIcon = false;
relAttribute.m_isAlternate = false;
relAttribute.m_isDNSPrefetch = false;
#if ENABLE(LINK_PREFETCH)
relAttribute.m_isLinkPrefetch = false;
relAttribute.m_isLinkPrerender = false;
relAttribute.m_isLinkSubresource = false;
#endif
#ifdef ANDROID_APPLE_TOUCH_ICON
relAttribute.m_isTouchIcon = false;
relAttribute.m_isPrecomposedTouchIcon = false;
#endif
if (equalIgnoringCase(rel, "stylesheet"))
relAttribute.m_isStyleSheet = true;
else if (equalIgnoringCase(rel, "icon") || equalIgnoringCase(rel, "shortcut icon"))
relAttribute.m_isIcon = true;
#ifdef ANDROID_APPLE_TOUCH_ICON
else if (equalIgnoringCase(rel, "apple-touch-icon"))
relAttribute.m_isTouchIcon = true;
else if (equalIgnoringCase(rel, "apple-touch-icon-precomposed"))
relAttribute.m_isPrecomposedTouchIcon = true;
#endif
else if (equalIgnoringCase(rel, "dns-prefetch"))
relAttribute.m_isDNSPrefetch = true;
else if (equalIgnoringCase(rel, "alternate stylesheet") || equalIgnoringCase(rel, "stylesheet alternate")) {
relAttribute.m_isStyleSheet = true;
relAttribute.m_isAlternate = true;
} else {
// Tokenize the rel attribute and set bits based on specific keywords that we find.
String relString = rel.string();
relString.replace('\n', ' ');
Vector<String> list;
relString.split(' ', list);
Vector<String>::const_iterator end = list.end();
for (Vector<String>::const_iterator it = list.begin(); it != end; ++it) {
if (equalIgnoringCase(*it, "stylesheet"))
relAttribute.m_isStyleSheet = true;
else if (equalIgnoringCase(*it, "alternate"))
relAttribute.m_isAlternate = true;
else if (equalIgnoringCase(*it, "icon"))
relAttribute.m_isIcon = true;
#if ENABLE(LINK_PREFETCH)
else if (equalIgnoringCase(*it, "prefetch"))
relAttribute.m_isLinkPrefetch = true;
else if (equalIgnoringCase(*it, "prerender"))
relAttribute.m_isLinkPrerender = true;
else if (equalIgnoringCase(*it, "subresource"))
relAttribute.m_isLinkSubresource = true;
#endif
}
}
}
FontPlatformData::FontPlatformData(const FontDescription& desc, const AtomicString& family)
{
// NB: The Windows wxFont constructor has two forms, one taking a wxSize (with pixels)
// and one taking an int (points). When points are used, Windows calculates
// a pixel size using an algorithm which causes the size to be way off. However,
// this is a moot issue on Linux and Mac as they only accept the point argument. So,
// we use the pixel size constructor on Windows, but we use point size on Linux and Mac.
#if __WXMSW__
m_font = adoptRef(new FontHolder(new wxFont( wxSize(0, -desc.computedPixelSize()),
fontFamilyToWxFontFamily(desc.genericFamily()),
italicToWxFontStyle(desc.italic()),
fontWeightToWxFontWeight(desc.weight()),
false,
family.string()
)
));
#else
m_font = adoptRef(new FontHolder(new wxFont( desc.computedPixelSize(),
fontFamilyToWxFontFamily(desc.genericFamily()),
italicToWxFontStyle(desc.italic()),
fontWeightToWxFontWeight(desc.weight()),
false,
family.string()
)
));
#endif
#if OS(DARWIN)
#if !wxOSX_USE_CORE_TEXT
#if wxCHECK_VERSION(2,9,0)
m_atsuFontID = m_font->font()->OSXGetATSUFontID();
#else
m_atsuFontID = m_font->font()->MacGetATSUFontID();
#endif
#endif
m_nsFont = 0;
cacheNSFont();
#endif
m_size = desc.computedPixelSize();
m_fontState = VALID;
m_size = desc.computedPixelSize();
}
v8::Handle<v8::Function> V8AdaptorFunction::wrap(v8::Handle<v8::Object> object, const AtomicString& name, v8::Isolate* isolate)
{
if (object.IsEmpty() || !object->IsObject())
return v8::Handle<v8::Function>();
v8::Handle<v8::Function> adaptor = v8::Handle<v8::Function>::Cast(getTemplate(isolate)->GetFunction());
if (adaptor.IsEmpty())
return v8::Handle<v8::Function>();
adaptor->SetName(v8String(name.string(), isolate));
adaptor->SetHiddenValue(V8HiddenPropertyName::adaptorFunctionPeer(), object);
object->SetHiddenValue(V8HiddenPropertyName::adaptorFunctionPeer(), adaptor);
return adaptor;
}
void SVGFontElement::ensureGlyphCache()
{
if (m_isGlyphCacheValid)
return;
KerningPairVector horizontalKerningPairs;
KerningPairVector verticalKerningPairs;
SVGMissingGlyphElement* firstMissingGlyphElement = 0;
Vector<String> ligatures;
for (SVGElement* element = Traversal<SVGElement>::firstChild(*this); element; element = Traversal<SVGElement>::nextSibling(*element)) {
if (isSVGGlyphElement(*element)) {
SVGGlyphElement& glyph = toSVGGlyphElement(*element);
AtomicString unicode = glyph.fastGetAttribute(SVGNames::unicodeAttr);
AtomicString glyphId = glyph.getIdAttribute();
if (glyphId.isEmpty() && unicode.isEmpty())
continue;
m_glyphMap.addGlyph(glyphId, unicode, glyph.buildGlyphIdentifier());
// Register ligatures, if needed, don't mix up with surrogate pairs though!
if (unicode.length() > 1 && !U16_IS_SURROGATE(unicode[0]))
ligatures.append(unicode.string());
} else if (isSVGHKernElement(*element)) {
toSVGHKernElement(*element).buildHorizontalKerningPair(horizontalKerningPairs);
} else if (isSVGVKernElement(*element)) {
toSVGVKernElement(*element).buildVerticalKerningPair(verticalKerningPairs);
} else if (isSVGMissingGlyphElement(*element) && !firstMissingGlyphElement) {
firstMissingGlyphElement = toSVGMissingGlyphElement(element);
}
}
// Build the kerning tables.
buildKerningTable(horizontalKerningPairs, m_horizontalKerningTable);
buildKerningTable(verticalKerningPairs, m_verticalKerningTable);
// The glyph-name->glyph-id map won't be needed/used after having built the kerning table(s).
m_glyphMap.dropNamedGlyphMap();
// Register each character of each ligature, if needed.
if (!ligatures.isEmpty())
registerLigaturesInGlyphCache(ligatures);
// Register missing-glyph element, if present.
if (firstMissingGlyphElement) {
SVGGlyph svgGlyph = SVGGlyphElement::buildGenericGlyphIdentifier(firstMissingGlyphElement);
m_glyphMap.appendToGlyphTable(svgGlyph);
m_missingGlyph = svgGlyph.tableEntry;
ASSERT(m_missingGlyph > 0);
}
m_isGlyphCacheValid = true;
}
static CSSSelector::PseudoType nameToPseudoType(const AtomicString& name)
{
if (name.isNull() || !name.is8Bit())
return CSSSelector::PseudoUnknown;
const NameToPseudoStruct* pseudoTypeMapEnd = pseudoTypeMap + WTF_ARRAY_LENGTH(pseudoTypeMap);
NameToPseudoStruct dummyKey = { 0, CSSSelector::PseudoUnknown };
const NameToPseudoStruct* match = std::lower_bound(pseudoTypeMap, pseudoTypeMapEnd, dummyKey, NameToPseudoCompare(name));
if (match == pseudoTypeMapEnd || match->string != name.string())
return CSSSelector::PseudoUnknown;
return static_cast<CSSSelector::PseudoType>(match->type);
}
void HTMLImageElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == altAttr) {
if (is<RenderImage>(renderer()))
downcast<RenderImage>(*renderer()).updateAltText();
} else if (name == srcAttr || name == srcsetAttr || name == sizesAttr)
selectImageSource();
else if (name == usemapAttr) {
if (inDocument() && !m_lowercasedUsemap.isNull())
document().removeImageElementByLowercasedUsemap(*m_lowercasedUsemap.impl(), *this);
// The HTMLImageElement's useMap() value includes the '#' symbol at the beginning, which has to be stripped off.
// FIXME: We should check that the first character is '#'.
// FIXME: HTML5 specification says we should strip any leading string before '#'.
// FIXME: HTML5 specification says we should ignore usemap attributes without #.
if (value.length() > 1)
m_lowercasedUsemap = value.string().substring(1).lower();
else
m_lowercasedUsemap = nullAtom;
if (inDocument() && !m_lowercasedUsemap.isNull())
document().addImageElementByLowercasedUsemap(*m_lowercasedUsemap.impl(), *this);
} else if (name == compositeAttr) {
// FIXME: images don't support blend modes in their compositing attribute.
BlendMode blendOp = BlendModeNormal;
if (!parseCompositeAndBlendOperator(value, m_compositeOperator, blendOp))
m_compositeOperator = CompositeSourceOver;
#if ENABLE(SERVICE_CONTROLS)
} else if (name == webkitimagemenuAttr) {
m_experimentalImageMenuEnabled = !value.isNull();
updateImageControls();
#endif
} else {
if (name == nameAttr) {
bool willHaveName = !value.isNull();
if (m_hadNameBeforeAttributeChanged != willHaveName && inDocument() && is<HTMLDocument>(document())) {
HTMLDocument& document = downcast<HTMLDocument>(this->document());
const AtomicString& id = getIdAttribute();
if (!id.isEmpty() && id != getNameAttribute()) {
if (willHaveName)
document.addDocumentNamedItem(*id.impl(), *this);
else
document.removeDocumentNamedItem(*id.impl(), *this);
}
}
m_hadNameBeforeAttributeChanged = willHaveName;
}
HTMLElement::parseAttribute(name, value);
}
}
void SVGFontElement::ensureGlyphCache()
{
if (m_isGlyphCacheValid)
return;
const SVGMissingGlyphElement* firstMissingGlyphElement = nullptr;
Vector<String> ligatures;
for (auto& child : childrenOfType<SVGElement>(*this)) {
if (is<SVGGlyphElement>(child)) {
SVGGlyphElement& glyph = downcast<SVGGlyphElement>(child);
AtomicString unicode = glyph.fastGetAttribute(SVGNames::unicodeAttr);
AtomicString glyphId = glyph.getIdAttribute();
if (glyphId.isEmpty() && unicode.isEmpty())
continue;
m_glyphMap.addGlyph(glyphId, unicode, glyph.buildGlyphIdentifier());
// Register ligatures, if needed, don't mix up with surrogate pairs though!
if (unicode.length() > 1 && !U16_IS_SURROGATE(unicode[0]))
ligatures.append(unicode.string());
} else if (is<SVGHKernElement>(child)) {
SVGHKernElement& hkern = downcast<SVGHKernElement>(child);
SVGKerningPair kerningPair;
if (hkern.buildHorizontalKerningPair(kerningPair))
m_horizontalKerningMap.insert(kerningPair);
} else if (is<SVGVKernElement>(child)) {
SVGVKernElement& vkern = downcast<SVGVKernElement>(child);
SVGKerningPair kerningPair;
if (vkern.buildVerticalKerningPair(kerningPair))
m_verticalKerningMap.insert(kerningPair);
} else if (is<SVGMissingGlyphElement>(child) && !firstMissingGlyphElement)
firstMissingGlyphElement = &downcast<SVGMissingGlyphElement>(child);
}
// Register each character of each ligature, if needed.
if (!ligatures.isEmpty())
registerLigaturesInGlyphCache(ligatures);
// Register missing-glyph element, if present.
if (firstMissingGlyphElement) {
SVGGlyph svgGlyph = SVGGlyphElement::buildGenericGlyphIdentifier(firstMissingGlyphElement);
m_glyphMap.appendToGlyphTable(svgGlyph);
m_missingGlyph = svgGlyph.tableEntry;
ASSERT(m_missingGlyph > 0);
}
m_isGlyphCacheValid = true;
}